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package homomorphism.list;


import java.util.ArrayList;

public interface ThirdHomomorphismInterface<T1 extends Object,T2 extends Object>   {
    String folding_method ="fold";
    String unfolding_method  ="unfold";
    public    T2 fold(ArrayList<T1> values);
    public    ArrayList<T1> unfold(T2 value);
}
